Grant Thornton UK has launched its GT Augment AI framework across its national business following an internal launch last month.
As part of the move, the company will introduce Anthropic’s Claude for all UK partners and employees in audit, tax, advisory and support roles, starting this month. The rollout will continue until August this year.
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The AI deployment is part of a £500m ($672m) investment plan aimed at reducing process-heavy work and shifting effort towards higher-value judgement and client advice.
The company said embedding AI into routine activity is intended to cut time spent on repetitive tasks and enable teams to focus more on complex analysis, risk assessment and client decision-making.
Grant Thornton UK chief digital officer David Gartside said: “The firms that win won’t be the ones talking the most about AI.
“They will be the ones using it so well it barely gets mentioned. This isn’t about AI theatre. It is about changing how work gets done in ways clients can feel, even if they don’t see the mechanics behind it.”
Claude will be applied across audit, tax and advisory work, supporting activities such as analysis, drafting and handling large volumes of information.
The company said the technology is intended to enhance the consistency and depth of output, not to replace professional judgement.
Grant Thornton UK CEO Malcolm Gomersall said: “As questions grow around the role of AI in professional services, it is our fundamental belief that the best technology in the room is still the person sitting across the table. Clients don’t pay for process; they pay for judgement.
“AI will make client outcomes stronger by helping us to deliver more insight, challenge and advice, which is always grounded in our deep experience.”
Later this year, Grant Thornton also plans to open a Digital Experience Centre in London, where clients will work with the company on technology-enabled service delivery and business transformation.
